问题 解答题
计算下面各题.
3
5
×
10
21

17
6
×24
9
14
×
7
3

12
19
×
5
6

9
8

12
5
×
95
96
答案

3
5
×
10
21
=
2
7

17
6
×24=68;

9
14
×
7
3
=
3
2

12
19
×
5
6
=
10
19

9
8
=
9
8

12
5
×
95
96
=
19
8

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